1. Department of Neurology, Qingdao Municipal Hospital, Nanjing Medical University, Nanjing, China
2. College of Medicine and Pharmaceutics, Ocean University of China, Qingdao, China
3. Department of Neurology, Qingdao Municipal Hospital, Qingdao University, Qingdao, China
4. Department of Neurology and Institute of Neurology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China